Revolving swing



Dec. 14 1926.

W. MITCHELL REVOLVING SWING Filed August 24 1925 2 Sheets-She'.

INVENTOR.

A TTORNE Y y Dec. 14 1926.

1,610,573 w. MITCHELL REVOLVING SWING Filed August 24, 1925 2 Sheets-Shee 2 INVEN TOR.

A TTORNEYS Patented nec. 14, 192s. 1,610,573

UNITED STATES PATENT f QFFICE.

WILLIAM MITCHELL, OF MILWAUKEE, WISCON8IN, ASSIGNOB TO MITGLL MANU- FACTURING COMPANY, OF MILWAUKEE; WISCQNSINL A CORPORATION F WIS- GONSIN. I

REVOLVING- SWING.

Application lled Aug'nlt 84, 1925. Serial No. 52,064.

This Iinvention relates to improvements drawing it will .appear that the improved 65 in revolving swings. 0 revolvmg swlng 1s indicated by the numeral Itis one of the objects of the present 1n- 8. An elongated tubular post 9 provided vention to provide a swing apparatus suited wlth a suitable base is embedded in the 5 for playgrounds and yar s. t ground and the upper portion of the post A further object of the inventlon 1s to 9rece1ves a ca member 10 litted therewith- 00 provide a revolving swing apparatus ar- 1n and forme with an outwardly flanged ranged to accommodate a pluralityk of per. upper edge 12 to rest on the upper edge of sons and easily operated. the ost 9.. V A further object of the invention is to Al caring member 13 is revolubly mounted provide a swing apparatus which will aford on the top of'the post 9 and cap 10. An 05 exercise andamusement to those operating annular inner recess is formed between the and using it and which is so constructed member 13 and the cap 10 and in said recess that a chlld cannot be injured. thereby. a plurality of ball bearings 14 are disposed 15 A further object of the invention is to to facilitate the turning of the bearing memprovide a'swfing apparatus in which the seat ber, an oil jacket 154 surrounding said ball 70 may swing in any direction with respect to bearings. the central support. An aperture 16 is provided in the top of A further object of the invention is to the bearing member and a Hag pole 17, provide a swing apparatus provided with threaded into the cap 10 extends upwardly a novel suspenslon means for the seat perthrough said aperture. 75 mitting free movement of theseat, the seat A swing frame, designated generally by and braces having a parallelogram movethe numeral 18 comprises a plurality of ment so that the seat will at all times be radially extending braces 19 carried by a parallel to the ground. collar 20, to be later explained, and radially c A further object of thev invention 1s to and downwardly extending stays 21 secured 30 provide a revolving swing having 'an eliito each of the braces at their outer ends and cient anti-friction bearin to the bearing member 13 at their inner ends. A further object of t e invention is to Also, the outer ends of the braces 19 are provide a revolving swing which is of very secured and connected by horizontal memsimple construction, is 4strong and durable, bers 22. a5 is neat and attractive in appearance, and is As was mentloned, the inner ends of the `well ada ted for the purpose described. braces 19 are secured to a collar 20 which With t e above and other objects in view is shown in detail in Fig. 5. Said collar the invention consists of the imiroved rerevolubly surrounds a medial portion of the volving swing land its arts an combina- -post 9 and is of cup ed formation to hold 90 tions as set forth in t e claims, and all roller bearings 23 w ich ease the turning equivalents thereof. y of the collar on the post. The collar 20 is In the accompanying drawing in which connectedy to the bearing member 13 by i 40 the same reference characters indicate the means of four straps 24 having bent end porsame parts in all of the views: tions 25and bolted to the flanged edge por- 95 Fig. 1 is a front view of the improved retions of the members 13 and 20 respectively. volving swing; l It will, therefore, be evident that the swing Fig. 2 is an enlarged detail sectional view frame is suspended by the post 9 and turns of the seat and suspension means therefor; thereon, by means of the bearing member 13,

Fig. 3 is an enlarged detail sectional view Athe collar` 20, and the `straps 24 connecting 100 of the central support and the upper-bearing the same. .f for the swing frame; The swing seat is preferably of octagonal Fig. 4 is an enlarged fragmentary detail shape and comprises at elongated seat view showin the connection of a seat supmembers 26 connected together by Hat castporting mem r with the swing frame; and ings 27, the castings having extensions 28 105 ig. 5 is an enlarged detail view of the .extending rearwardly and upwardly therelower bearing for the swing frame. from to form braces for the rear rails 29. Referring now more particularly to the The midportions of the castings 27 are to the end formed with sockets 30 to receive .the ball end portions 31 of seat suspension rods 32 formin a universal joint connection for the seat. he ball portions 31 areremorgbl'y held by the enlased lower end portions of the suspension r v32, as shown in Fig. 2.

The upper end portions of the suspension rods 32 are also connected to the end portions of the radial frame members 19 in a manner so as to rmit the free' movement of said rods in a directions. As shown in Fig. 4, hook shaped ortions of the members 19 and said hook s aped members loosely engage depen looped members 34, the looped members in free to swin forwardly and rearwardly. he upper en `portions of the suspension rods 32 are hook shaped an engaged by the looped members 34 in a manner to permit lateral swinging.

In operation the swing revolves around the central post and also the seat can be caused to swing` inwardly -and outwardly with respect to its circular lineof travel.

From the foregoing description it will be Seen that the, im rove'd revo ving swing is of very simple an novel construction and is well adapted for the purposes set forth.

What I claim as my invention is:

1. In a revolving swing, a stationary'supj port, a rotative frame mounted thereon, an

annular swing seat surrounding the support, and rigid suspension members depending from the frame and engaging theswmg seat, said suspension members having universal joint connections with tlie 'frame and with the swing seat.

2. In a revolving swing, a stationary sup-- port, a rotative frame mounted thereon, an annular swing seat surrounding the support and formed with sockets, and normally vertical suspension rods between the seat from the frame, the lower ends of said rods being formed with heads to swivelingly engage said sockets.

3. A revolving swing, comprising a central, stationary, 'tubular support, a cap member fitted into and covering the upper end of the support, a rotative member coverin said support, anti-'friction means interposed between said cap and said rotative member,

members 33 are secured a collar rotatably mounted on the medial rtion of.. said support, strap members rig-v.

idly connecting sai collar and said rotative member, arms extending radially from said col1ar,fbraces extending from the outer ends of said arms to said rotative member, an -angularly shaped annular seat surrounding the support, said seat being formed of a plurality of sections, plate members connectsaid sections, eac plate bein provided with a socket and suspension ro s for said seat, said rods h avin enlarged lower end portions engaging sai sockets and universal joint connections with the end portions of said radial arms.

4. A- revolving swing, comprising a central support, a rotative member mounted on s aid su port, arms extending horizontally and ra `all from said rotative member, a vertical ro ivotally suspended from the end portion oi) each arm, and an annular seat suspended by said rods and swivelingly connected to the lower portions thereof.

5. A revolving swing, comprising a central, stationary sup ort, a cap member fitted into and covering tlie upper end of the support, a rotative member covering said sup port, anti-friction'means interposed between said cap and said rotative member, a collar rotatab y mounted on the medial portion of said support, a rigid connection between said collar and said rotative member, arms extending radiall from said collar, braces extending from t e outer ends of said arms to said rotative member, `an annular seat surroundin the support, sockets formed in said seat, an suspension rods for said seat, said rods having enlarged lower end portions engaging said sockets, and also being swivelingly connected at their upper ends to said arms.

6. A revolving swing, comprising a stationary support, a rotative, horizontally extending frame mounted thereon, an annular swing seat surrounding the support, and

rods between the seat and frame s nsion anii having universal joint connections therewith, there being a parallelogram' relation between the frame, the rods, and the seat.

In testimony whereof, I aix my signature.

'WILLIAM MITCHELL. 

